Find_The_Nth_Of_A_Number.js

/*If nth is not positive, return -1
Keep in mind that 42 = 00042. This means that findDigit(42, 5) would return 0
Examples(num, nth --> output)
5673, 4 --> 5
129, 2 --> 2
-2825, 3 --> 8
-456, 4 --> 0
0, 20 --> 0
65, 0 --> -1
24, -8 --> -1
*/


var findDigit = function(num, nth){
    if(nth <= 0){return -1}
    let positive = Math.abs(num).toString();
    return (positive.charAt(positive.length - nth) * 1)
    
  }